Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.57
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -6.74 -0.375 2.52
Prot (kg) -6.61 -0.441 2.92
Fertility Sub Index 1.07
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.20
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.19 -0.432 0.51
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 20.82

* Based on an €80/tonne carbon price